Trail Half & 5K/10K

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Trail in United States, Pasadena

Distances

Running
50K Relay
50 km
Running
Half Marathon
21.1 km
Start: Oct 20, 07:30 AM
Running
10K
10 km
Start: 08:10 AM
Running
10K Fun Run
10 km
Running
5K
5 km
Start: 08:25 AM

About

Pasadena Running Company’s flagship trail race featuring a challenging half marathon showcasing the best local trails, plus 5K and 10K options for all abilities.

Catering & aid stations

On-course aid stations provide water and electrolyte drinks. Longer distance courses feature CLIF products and additional hydration options; all participants running over 5 miles are required to carry hydration.

Pacers

Pacers are listed for each start wave on the race-day schedule (Renntag): choose your target time per wave and follow Pacerguide flags on course. Pacers help maintain target pace and provide encouragement; flag identifiers correspond to displayed pacer times.

Results

View official results

Typical weather in Pasadena

Monthly averages based on historical data (2000–present).

Jan62°46°

↑ 07:18

↓ 17:44

Feb66°49°

↑ 07:02

↓ 18:11

Mar72°56°

↑ 07:31

↓ 19:30

Apr78°62°

↑ 06:55

↓ 19:49

May85°69°

↑ 06:29

↓ 20:08

Jun90°75°

↑ 06:21

↓ 20:24

Jul91°76°

↑ 06:32

↓ 20:24

Aug92°77°

↑ 06:50

↓ 20:03

Sep87°72°

↑ 07:07

↓ 19:27

Oct81°64°

↑ 07:24

↓ 18:51

Nov71°55°

↑ 06:47

↓ 17:27

Dec65°49°

↑ 07:10

↓ 17:25

Weather data by Open-Meteo

Route maps

What's included in entry

Race shirt
Race bib
Chip timing

Event insurance
Post-race food and drinks

FAQ

What is the race start time for the Half Marathon?

The Half Marathon starts at 7:30 AM on race day.

Are there aid stations on course?

Yes — each distance has at least one aid station with water and electrolytes; longer courses offer CLIF products and hydration is required for races over 5 miles.

What is the cancellation or refund policy?

The event is rain or shine; no refunds or deferrals are offered due to weather or other reasons. Bibs can be transferred to another participant within 10 days of the event.

Last updated: Jun 6, 2026, 12:25:52 AM